The Yieryi TPH01139A 4-in-1 digital water quality meter measures pH, TDS, EC, and temperature in a single compact device—ideal for aquariums, swimming pools, and hydroponic systems—offering high precision and reliability.
High-precision measurement: With a resolution of 0.01, this digital meter provides accurate readings for water quality analysis, ensuring optimal conditions for plants and aquatic life.
Backlit digital display: Equipped with a backlight, the digital display ensures clear visibility in low-light environments, enhancing usability at any time of day.
Compact and lightweight design: Measuring 18 x 8 x 6 cm and weighing just 0.250 kg, this tester is portable and easy to store, making it perfect for on-the-go water testing.
CE safety certified: The Yieryi TPH01139A meets European safety and performance standards, ensuring reliable and compliant operation.
Various color options available: Choose from 3-in-1, 4-in-1, EZ-9909A, and YY-400 models to easily suit your preferences and testing needs.
Sold individually: This water quality tester is ideal for standalone use or as a backup unit, offering simplicity in both purchasing and operation.

































